MLB.com
"Tyler Pastornicky’s opportunity to fill in as Atlanta’s starting second baseman proved to be short-lived. Early Friday afternoon the Braves announced Pastornicky will undergo season-ending left knee surgery to repair the damage he suffered during a collision with Jason Heyward on Wednesday..."
August 16

Atlanta Journal-Constitution
"The Braves optioned outfielder Jose Constanza and infielder Tyler Pastornicky to Triple-A Gwinnett on Tuesday, making official what had been apparent for weeks: outfielder Jordan Schafer and utility infielder Ramiro Pena will be on the opening day roster.
Reliever David Carpenter was also..."
March 27